package com.example.blog.controller;

import com.example.blog.mapper.UserInfoMapper;
import com.example.blog.model.Result;
import com.example.blog.model.UserInfo;
import com.example.blog.service.UserService;
import com.example.blog.utils.JwtUtils;
import com.example.blog.utils.SecurityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;
import java.util.Map;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: Home-pc
 * Date: 2024-02-27
 * Time: 13:58
 */
@RequestMapping("/user")
@RestController
public class UserController {
    @Autowired
    private UserService userService;

    @RequestMapping("/login")
    public Result login(String userName,String password){
        /**
         * 1.参数校验
         * 2.密码校验
         * 3.生成token，并返回
         */
        if(!StringUtils.hasLength(userName) || !StringUtils.hasLength(password)){
            return Result.fail("用户名或密码为空");
        }
        //获取数据库中密码
        UserInfo userInfo = userService.queryByName(userName);
        if(userInfo ==null || userInfo.getId()<0){
            return Result.fail("用户不存在");
        }
        if(!password.equals(userInfo.getPassword())){
            return Result.fail("密码错误");
        }
//        if(!SecurityUtils.verify(password,userInfo.getPassword())){
//            return Result.fail("密码错误");
//        }
        //密码正确，生成token，并返回
        Map<String,Object> claim = new HashMap<>();
        claim.put("id",userInfo.getId());
        claim.put("name",userInfo.getUserName());
        String token = JwtUtils.genToken(claim);
        return  Result.success(token);
    }

    /**
     * 获取登录用户的信息
     */
    @RequestMapping("/getUserInfo")
    public UserInfo getUserInfo(HttpServletRequest request){
        //1.从token处获取用户的ID  2.根据用户的OD获取用户的信息
        String token = request.getHeader("user_token");
        Integer userId = JwtUtils.getUserIdFromToken(token);
        if(userId == null){
           return null;
        }
        return userService.queryById(userId);
    }

    /**
     * 获取当前的作者信息
     */
    @RequestMapping("/getAuthorInfo")
    public  UserInfo getAuthorInfo(Integer blogId){
        if(blogId == null && blogId <0){
            return  null;
        }
        return userService.getAuthorInfo(blogId);
    }
}
